Which of the following elements has properties different than the rest? select one: a. k b. na c. mg d. s

Which is a character of nuclear fusion but not nuclear fission

This image is an example of a(n) a) atom. b) compound. c) mixture. d) molecule.

Sally is making a model of a magnesium atom with an atomic mass number of 24 for her chemistry class. she has foam balls for the protons, neutrons, and electrons. she has added 6 neutrons to her model so far. how many more neutrons does she need to add to complete her neutral atom of magnesium?